Question

Find the unit rate.
12 plates in 4 stacks
plates per stack

Answer 1

3:1

Explanation:

A unit rate is a ratio between two different units with a denominator of one.

12/4=3

4/4=1

so the answer is 3:1

Answer 2

3

Explanation:

3 plates per stack

divide 4 by 4 to get one and 12 by 4 to get 3